for example, a text input comes in, and I now judge that it has 50 lines on the page, and now I click the button to pop up an input box to enter any number less than 50, such as 48, so how do I make the page jump and navigate to 48 lines?
for example, a text input comes in, and I now judge that it has 50 lines on the page, and now I click the button to pop up an input box to enter any number less than 50, such as 48, so how do I make the page jump and navigate to 48 lines?
think about it and do it.
get the number of lines of text, 48: number of lines, and then highlight
a tag anchor to try
ios embedded h5 page input box will not lose focus if you click on the blank space. The soft keyboard will not fold. what should I do? try to bind the click event to document. If the input box loses focus when you click, it is still invalid. ...
as shown in the figure, how to determine that the user clicked on this X, and execute the corresponding method. ...
Mobile input focus cannot directly evoke the mobile phone keyboard, what is the related auxiliary operation? Simple H5 page, do not use any framework, how to automatically evoke the soft keyboard? ...
div1 {display: none} div2 {display: none} div3 {display: none} div4 {display: none} div5 {display: none} setTimeout (function) { var obj=document.getElementById ( "div1 "); obj.style.display= "inline "; }, 2000) how to display with settimeout...
when I was creating the exam. The start time can be earlier or later than the current time, but if the start time is later than the end time, I should prompt "the start time cannot be later than the end time ". If the start time is earlier than the curr...
requirements are as follows: click the addFisrt button to add the content of the first component, click addSecond to dynamically add the content of the second component and can add without limit ~ ask the great gods to provide ideas and methods ~ thank ...
in the official document, navigationbartitletext can only set the properties of the top bar in the json settings file. Under real machine debugging, the top bar text automatically runs to the far left side of the phone. How to set the top bar to center l...
1. For the following object, how to clear its property value editForm: { showDialog: false, id: , name: , url: , param: , nameSpace: , }, is there any other way (traversal...
there are three ul, on my page. I switch the contents of the ul when I click, but when I switch, I will see the content of the last ul flash. How to solve the problem of flashing? my code is like this <ul> <li v-for=&quo...
The problem occurs on the pop-up window of ElementUI. Click add, there will be a terminal type, function module, specific method. such a drop-down box, the value is using an excuse request. By default, you will be given 2 values in the terminal type, mo...
what is written on the current page is the input box that resets the password with only the password. After submitting the form, the browser jumps to log in, and then the browser gives a hint whether to remember the password and turns out to be like this...
Android can tell me what to do with this ...
when you click share, jump to this page and what to do ...
requirement: requirement is to replace an img tag in a string with an attribute of the img tag (name) example: aaaaaaaaaaaa <img name="U+1F608" src=".. .. static images emoji 1f608.png" style="width: 18px;height: 18px;m...
I have registered the same losing focus event function for each Input, and passed some unique parameters. If I just execute the event function, I can t get these parameters, and I want to trigger all of them. Is there any good way to do this? ...
as shown in figure 1, fileters.toFix (item.realPrice) can be used, while others cannot be used ...
how big should the company make an app,ui map of Android s built-in H5 page? Android Baidu says it wants to do 1080,1920, and H5 says it wants to do 640s or 750s ....
Today, when I saw someone else s promotion page, at first I thought it was an H5, but after opening it, I did not show the status bar and navigation bar, and checked the Wechat development documents, but there were no related documents, so I came here ...
how do I get the jquery object of the first right_box class name if I want to get the jquery object with the same class name with jquery? ...
which mobile adaptation method is better for a company to make an app,h5 page with an Android built-in H5 page? ...